radv: Add KHR_display extension to radv [v5]

This adds support for the KHR_display extension to the radv Vulkan
driver. The driver now attempts to open the master DRM node when the
KHR_display extension is requested so that the common winsys code can
perform the necessary operations.

v2:
	* Simplify addition of VK_USE_PLATFORM_DISPLAY_KHR to
          vulkan_wsi_args

	Suggested-by: Eric Engestrom <[email protected]>

v3:
	Adapt to new wsi_device_init API (added display_fd)

v4:
	Adopt Jason Ekstrand's coding conventions

	Declare variables at first use, eliminate extra whitespace
	between types and names. Wrap lines to 80 columns.

	Suggested-by: Jason Ekstrand <[email protected]>

v5:
	Add vkCreateDisplayModeKHR. This doesn't actually create
	new modes, it only looks to see if the requested parameters
	matches an existing mode and returns that.

    	Suggested-by: Jason Ekstrand <[email protected]>

Signed-off-by: Keith Packard <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>

1 files changed, 155 insertions, 0 deletions

diff --git a/src/amd/vulkan/radv_wsi_display.c b/src/amd/vulkan/radv_wsi_display.c
new file mode 100644
index 00000000000..048d992e1cf
--- /dev/null
+++ b/src/amd/vulkan/radv_wsi_display.c
@@ -0,0 +1,155 @@
+/*
+ * Copyright © 2017 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+#include <stdbool.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include "radv_private.h"
+#include "radv_cs.h"
+#include "util/disk_cache.h"
+#include "util/strtod.h"
+#include "vk_util.h"
+#include <xf86drm.h>
+#include <xf86drmMode.h>
+#include <amdgpu.h>
+#include <amdgpu_drm.h>
+#include "winsys/amdgpu/radv_amdgpu_winsys_public.h"
+#include "ac_llvm_util.h"
+#include "vk_format.h"
+#include "sid.h"
+#include "util/debug.h"
+#include "wsi_common_display.h"
+
+#define MM_PER_PIXEL     (1.0/96.0 * 25.4)
+
+VkResult
+radv_GetPhysicalDeviceDisplayPropertiesKHR(VkPhysicalDevice physical_device,
+                                           uint32_t *property_count,
+                                           VkDisplayPropertiesKHR *properties)
+{
+	RADV_FROM_HANDLE(radv_physical_device, pdevice, physical_device);
+
+	return wsi_display_get_physical_device_display_properties(
+		physical_device,
+		&pdevice->wsi_device,
+		property_count,
+		properties);
+}
+
+VkResult
+radv_GetPhysicalDeviceDisplayPlanePropertiesKHR(
+	VkPhysicalDevice physical_device,
+	uint32_t *property_count,
+	VkDisplayPlanePropertiesKHR *properties)
+{
+	RADV_FROM_HANDLE(radv_physical_device, pdevice, physical_device);
+
+	return wsi_display_get_physical_device_display_plane_properties(
+		physical_device,
+		&pdevice->wsi_device,
+		property_count,
+		properties);
+}
+
+VkResult
+radv_GetDisplayPlaneSupportedDisplaysKHR(VkPhysicalDevice physical_device,
+                                         uint32_t plane_index,
+                                         uint32_t *display_count,
+                                         VkDisplayKHR *displays)
+{
+	RADV_FROM_HANDLE(radv_physical_device, pdevice, physical_device);
+
+	return wsi_display_get_display_plane_supported_displays(
+		physical_device,
+		&pdevice->wsi_device,
+		plane_index,
+		display_count,
+		displays);
+}
+
+
+VkResult
+radv_GetDisplayModePropertiesKHR(VkPhysicalDevice physical_device,
+                                 VkDisplayKHR display,
+                                 uint32_t *property_count,
+                                 VkDisplayModePropertiesKHR *properties)
+{
+	RADV_FROM_HANDLE(radv_physical_device, pdevice, physical_device);
+
+	return wsi_display_get_display_mode_properties(physical_device,
+						       &pdevice->wsi_device,
+						       display,
+						       property_count,
+						       properties);
+}
+
+VkResult
+radv_CreateDisplayModeKHR(VkPhysicalDevice physical_device,
+                          VkDisplayKHR display,
+                          const VkDisplayModeCreateInfoKHR *create_info,
+                          const VkAllocationCallbacks *allocator,
+                          VkDisplayModeKHR *mode)
+{
+	RADV_FROM_HANDLE(radv_physical_device, pdevice, physical_device);
+
+	return wsi_display_create_display_mode(physical_device,
+					       &pdevice->wsi_device,
+					       display,
+					       create_info,
+					       allocator,
+					       mode);
+}
+
+VkResult
+radv_GetDisplayPlaneCapabilitiesKHR(VkPhysicalDevice physical_device,
+                                    VkDisplayModeKHR mode_khr,
+                                    uint32_t plane_index,
+                                    VkDisplayPlaneCapabilitiesKHR *capabilities)
+{
+	RADV_FROM_HANDLE(radv_physical_device, pdevice, physical_device);
+
+	return wsi_get_display_plane_capabilities(physical_device,
+						  &pdevice->wsi_device,
+						  mode_khr,
+						  plane_index,
+						  capabilities);
+}
+
+VkResult
+radv_CreateDisplayPlaneSurfaceKHR(
+	VkInstance _instance,
+	const VkDisplaySurfaceCreateInfoKHR *create_info,
+	const VkAllocationCallbacks *allocator,
+	VkSurfaceKHR *surface)
+{
+	RADV_FROM_HANDLE(radv_instance, instance, _instance);
+	const VkAllocationCallbacks *alloc;
+
+	if (allocator)
+		alloc = allocator;
+	else
+		alloc = &instance->alloc;
+
+	return wsi_create_display_surface(_instance, alloc,
+					  create_info, surface);
+}